Bolt-cutting machine.



0.1i. LASSTTTR TATTNTTD SEPT. 4,1906.

BOLT CUTTING MACHINE.

, APPLICATION FILED DEO. 10, 1908.

4 SHEETS-SHEET .11.

im, 829,972. PATENTE SEPT. 4, 1906.

0. K. LASSITER. BOLT GUTTNG MACHINE.

APPLICATION FILED DEO. 10. 1903.

4 fr SETS-SHEET 2.

N0. 829,972 Y PATENTED SEPT. 4, 1906. G. K. LASSITER.

BOLT CUTTING MACHINE.

APPLICATION FILED DBO.10. 1903.

4 SHEETS-SHEET 3.

No. 829,972.A PATENTEDSEPT. N66. G. K. LSSiTER.

BOLT CUTTNG MAGHINE.

APPLIUATION FILED 1320.10. 1903.

4 SHEETS-SHEET A Witwen@ N "W YRK affaen'bed Sept. 4, 1906.

Be it known that l, COLUMBUS K, .Lf-ssi- TER, a citizen of tiis United Sivsiios, residing at Schenectady, in 'the county of olionooiidy :incl Stato of New York, have invon'icil now and useful inproif'oiiients in Boltfi: Machines, of which the following is i cation.

This invention .relates io niorhzinisin for forniinfr stay-bolts and. the like; and lio niiinzii'y object of the sfiino is io siinpiiiy i hoh Jil-links, so iis to pz'i'nf'iflo oo niai'iipiilaiti;v is ol compio bolts of the dass s The prose-nt iii-schine ossoiiLi guido nioansl ii mriiziuo nioiy al' moans, and tliroiiil-riiztiiig fo sind zi ffoiicaving-tool supporioil hi* said raining? The inventionv iilso co rho ron*- stiuotioii ond nrriiiigoinon, ol" fno which will ho horeiniiitir more iol ln tho drawings, Figur@ '1 tion oi n nin/hin mhooyii` the invention zi-iiil shown Fig. 2 is L ii'iiiisvorsi 'vori ih@ machina on line l* Y phiii Yioii'of Elio tool-oui liowii lirokoi'i imziy in port, and the guides il n part oi the operating inw-ins thre'orinhorizontal srotion.` Fig. is :i horizoniiil sociion. through iho carriage shown by Fig. 3 willi :i por@ of the tool holding and guiding iiioziiis roinowil. Fig. 5 is a irixiisverso Viiiioi l section hroiigli the Jcool-holding Ciiriizigjo, showing portions oi' ilovicr-s coopvrfitiiig thorowiil. in ilomiioi'i. Figi: (j is :i loiigitoi'linzil Ymiiifiil soi-lion on ho 3 is :i iop line i (i. i5. Fig. 7 is fi ilotfiil iop plein View ol' n hrm-koi for rho riposi Mdr-ooi l :i tool-controllor. lff. 5S is ai sirio loi the hrzzokoi shown. oy Fig. T. pino Vioiv oi lli@ lowor lirrir'liot i controller. t 's oli hi click shown hy rig. Fir elevation of tho wol-Control or. 1B, unil l1L :iro ilellaiil 'views ol h(- 'ool -i i mid guiding head which is iioiziioil. iii orio direction' hy tho tool-controller.

Similar numerals of roicoionoo nro oni i por o u ploy-srl to indicato oorrosponiling parts in lie Severin Vioi The numeral i flfsignates a hase oi suitable (ii mansion han ing ii uhainhe-r opening throiigli the hoiioni iiiioiooi for Convenience iii assomblingr ono; ingT ino-onzinisni, which will be more foil ieroiiizii'irisot forth. @n the top oi tho hen n an oil-iooi iviiig hopper or 'fixed nolo 1i, having :in onder-pipe 5 lending downwardly' to i lower oil-tank 6 4noiintod on their upf outing tank 8, from ipply pipe 9 clown to my oi :i piiinp i() of suitable ".ho 'pump pinion-r d ll pro'- iily ihferoi'ironi and movably nti'io-irn'i loi an eccent ll, held by a bracket io ood 2 the ssi-id 'shaft also i on one and ol 7 i hiring-pulley lo ixod thereto, siii'- 'i' f :i boli; i7 engaging i bolt Wheel ori :i d d slizifi'; 19, which may Aooi suitable line-shafi-ing Withp and having' a hand wheel or pulley C' tiioroon io iofcivo connecting-belt.

" .9 has hof g in the oppor end of il :.iiifl also in a portion of the s shown h3' tno oxireniity of 5) "hzi i1 ifxtriiiis into the baise onsuiiiolo hoor ingI in ai hanger 22. .-r'iirod oi; ihr nnor oxtreiiiby of the Shaft is :i hovol-piniim. which is held in oon riniml iiiesh with horizonhilly-disposed hoi'ol-whool 2i, hohl suspended within the upper part oi the` has@ i hy 2i spindlo 25, roizitfihlo in :i sleeve 26, secured at its upper oizii'oniii- V on the top of zi boss 27, rising 'from tho manier oiV thi had 2 within the ooiilines of ihr rrorpfiolo or hopper; @n the upper end ol' ih@ shim 'i is :i liiiifi BS 'with i substsirr birilli' coni .x upper surface, in the center of which fornirvi. :in angular opening 2Q,ooin niuiiiw ring with i horizontal bore 30, oponhoh @nils :it iliiinioricnlly oppositie o hond. Botwoon the spindle and 1 lower portion of rho latter or oriniiiion ol' 'the sninilo hogins, a is ioriiioil and iz-oars on che upfio sloffvo 26 to diirzihly sust-ain rho ii'iighi w; i i@ spindle and. gaar-wheel 24. '.lhr lowof .foil ol' the spindle oloso to tho ,his s ston-ooihir 32 thereon,

, oii which is supported n bod 2,V

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IIO

.,27-7 and over the lower port of the heed lo end the upper extremity ol the sleeve 26 e .ijojinent with the bend-Wheel 43.

spindle at opposite portions het'ween the heed 28 end the dollar 32 .itis prevented from l1eving movement inits hearing ineens, and. the gear 241s always held in continuel inesh with i the pinion 23. The upper 'extremityof the' `spindle lids .oppQsi-tely-projeoting horizontelly-disposed iestening lugs or eers 83, which. heer upon end are secured to the boss 'hood 34 is secured to prevent the oolleotijon 'of chips or metal pnrtmle's around the )011113 I between the' upper extremity of the sleeve 26 and the hendend its spindle,vsaid head exi x5 tending through the top of the hood end having e' vflange 35 hearing oni the letter. The o ening 30 through the heed is to facili` tete tie removal of small particles of metal thatfinev fall on the top of the heed and into 2o the o enanor or socket 29 when the holt is releesed from the letter. 1

Rising from the hed between the uprights 'I end attached .to the bottom olf-the oildis-4 lributing tank 8 are 'si pniroi guide-rods' 36,

25 on Wlneh is slidehly mounted e. tool-holfling iisrriilge 37.- Y Seorecljto the enrriege'? and moi/ably 3. ,ending upwardly through the hottom oi i' tank 8 andV tubnls-r guides 38 1 seid lnittoxn vere operating-rods connected ...t their upper ends by. e Gross-heed 4 9, l1av inge Zentral seat 41; to which the one -end of' en 'operetinghelt 42 isr etteclfed. This belt 42 is passed upwardly ov and extends 'downwardly *from ebelt-ensei 43, secured 3b .onsv shaft de, held by hanger ineens 45 land also .having'thereon e bend-Wheel 46. y The .heltl2 extends downwardlyvvithin een venient reaching distance :it one side of the machine midis normally inr slack v l The l is continuallyrotated, and in order make the bolt 42 effective-to elevate the carriage 37 the' opere-tor draws 'downwardly on and 'causes the snidloelt to move over the belt 45 Wheel 43., This arrangement facilitates the' elevation of tire carriage 37 without imposing the Weight thereof on the operator. The

carriage 37 has ,ooi-isideralileweigliio-'espem oielly' when the tools and cooperating deh 5o -vices for'the letterercdisposed,therein7 and after suoli earrings has been rinsed tol ope ete on e holt to heftreeted or threaded ind shaped, es will be more. fullyhereinaiter explained, the seid noruego 1s released and 'allowed-to have ,e glefviteting l'eed in proportion to the Work completed or the regulsr operation ol: the cut-ting devices carried hv said carriage.

Depending from the oil-distributing tenir 6o Smid extending into the oil-receiving.hopper 4; en overiow-pipe il?, v/liieh projects hir enough npwrdly into the tank 8 tol prevent the oil pumped thereinto from rising shove e certain level. The oil lies outlet from the 6 bottoni. of the distrilniting-tanli 8 through e Ywith s l Shanks o4 with outer shon;

eme

of holt Cutting' or properl tion, especially .ivher'e e large' number ol nmohinos zire'usod in.

e. plant.

The carriage 37 is eluzirly shoivn on im en.H lerged scalehv illus. 3, Il, f3, sind :md consists lo1 anintermedinle hodjv 5U heving; ding.: onelly-opposed tuhuhir guides l, mcvzihl on the guide-rods Jljl illxtending through the hody'l) end opening out wurdljylzi: oppo 'site eniglsvthereoi' is im adj-neling-idool; chimnel or having adjusting hlocls or een 5 3 shdtnbly mounted therein ond movehle outWerdl'yrom und inwardly toward each other. The channel or sent` 53, shown 'oy F is of dovetelil contour, .with the reduoei. part tlierdol opening; thrmigh the bottom oi the hody() .lor eonveniei'nze in applying screwthread-Cutting devices thereto. Thescrew-three(l-ciitting dwioos lieve vheeds 56, so constructed es t6 he eileelive' in cutting' threads-end. clonring the chips nwzrv Atroni the threads ont. The cuttingr dovices nre dovete-il in. cro'ss-sectioiml contour and removably:fitted 1n dovetm seats 57,

formed in the lower portions-of the lploolis 53,

each cutting device being less in ividthtlninl its sent and having interposed hetweeiii one side thereof and the adjacent side Well of the seat a secui^ing-wedg1e 5S, held in immo vahle position hy set-serews 59, which are opere.- tivo om the under side of the carriage to loosen or lighten the Wedges in edjusting the sereW-tlxreed-10ntting devices. The screwtnread-outting devices have an adjustment independent oi' the adjustment or movementv oi" tho-blocks 5.3,.in lwhich theyY nro disposed, through'the medium ofelongnted `sex-mrs or screw-l'hreaded rods 60, having` angular heads l projecting' outwardly beyond. the outer e1 ls of the blocks .53. The inner ends of the screws-or rods 6,0 boar against the shoulders gres saving and economy in the :nt

veli/'ed feedins'lpipe ll-S, depending there.

TIO.

55, and hy this means the screw-thread-outl ting devices may be projected inwardly with relation to the vcenter of the carriage to rogulste the dimensions oi the threads tohe cnt.

The blocks 5,3 are shiftahle through the medium of vertically-disposed com devices engaging the outer extremities thereof und consisting ol rods G2, lia-ving intermediate eem (,nlsrgements 63, the upper ends oi the rods 62 respectively extending through the the com vlug-wol will im. i

` cutting devices am* tu cease ,to ope/m ducati burying mi 107 compiqs a base. 7@ will be *geschil i "i055 lising 'Lilien-V. nel( @mi of 'i110 mi .zif'm UH fuvmifj they@ u 79 and 0pm m fm1 ai *i vc 75 i' ISG E in? sim,

ily ac- `l Si? u: prima? pwSnum wlamgagiug the sume is w :we cui" pei' teririiimi n of the controi-- Viigtool will l piaf@ nini wil 1211i behind the u; www mm continue, to cui, 4 Hi' 'i'xwiiite portion of v m the part thereof n? the conioller mt /f, when imm "L0 oute he hmad-cub form the thrcui'rf; l? is pref zm'ed cv'ninw is vngth I' "'i die. inail of the tirarmi ai posi'uiou by ifm@ im it wili be understood viii be so fidjuscd 'iiza ifi of the gnam onlai'geme operate on thc 'f6-,Grief "uhicadshave b@ )e upper and oft-'21e boli, and ahi; im* of nhg said eiiargemmii Wii be ,am under 'the proper sidjusimwz, W,

1cm h@ i i ing-K100i at ai point 'wh th@ tiuead on ik@ iowm giiis.

For convenienti@ in lmiding il, in proper position in iea'bmu ing mecha fluvicsfs L the proper r 1 pm'i'wr period to tu@ upper hw l A @s urpmi me, uli-31- 9. ln a machine of the claas forth, the..

combination vof a holteholding means, a oarriage movable toward and away 'from said means and having an opening therethrough .and a heed at one side, the said head aleo having an 'opening therethrough, e. concav ing-tool movahly mounted ins the. heady and carriage,-a .feeder secured to the tool and pro-y vided with a reduced bearing edge, means id .interposed between, the feeder andy the carriagefor utomatic'allythrowing the tool out- Nvardly, and a controller ino'vahle th rough 4the head and an enlargement 'to Contact -`with saidhliearing edge and gradually more? 'the tool inwardly into'the carriage. l0. ln a machine oi the clas'slset forth, the eombination of holt-holding means, -a carriage movable toward and away from said means and having an opening therethrough and a tool-holding head at one side, the said head being;l provided With -an opening ande slot communicating *witnthe latter, a con-A caving-tool movaliymounted in the head and carriage, a feeder secured to the tool and provided'ivith'an arm arranged for holding, the tool against rotative movement, and controllermovahle through the slot of theu 'head andA ,having/an enlargement to hear uponsaid arm to gradually feed the' tool in- 3e Wardly through the carriage.

combination of toolholding means, -a earriage movable 'toward and away romsaid means and .having an opening therethrough and a took-holdin@ head at oneeide, the said;v

head'being *provi ed with anopening and a slot communicating ivith the latter, a eoncav- .ing-tool'mova-bly rnounted in theihead and.v Carriave, a feeder secured to the tool and Ao provided with an arm arrangedjor holding the tool against rotative movement, a con* troller Ihaving an. enlargement to-engagefthe' arm of the feederjto gradually. moye the tool. inwardly through the carriage, and means in? terposed between the feeder and thecarriage for throwing? the .tool outwardlywhen released by the'enlargement of the controller.

l2. In. a machine of the class set-forth, thev combination eta bolt-holding means, 'a care riage movable toward andaway from said means and having-an o ening therethrough and a. tool-head atene sin e, the said tool-head heing'formed with an opening, a slot communicatin With said opening, and a groove in f1 one W'a of the latter, a zo11eavir1g,'-toolmov-y ably mounted in the head and Carriage, a feeder secured to the tool and rovded with an arm having a 'spline slidab e in the said groove andalso formed with a reduced hear ing edge, 'a controller passing through the alot in theliead and having an enlargement to eI1-` gage the said hearing edge, and means for automatically throwing the tool outwardly, when released by the controller.

13. In a machine of the class eet forth, the

1l. ln a machine oi vthe classset forth, the

eerie/e.

combination ofa frame having guide devices, a holtdiolding means, a carriage engaging the guide' devices and provided .with holt-cutting devices.. a eontroller passing through portion ci tne carriage and engaging part of the holtcntting devices and. havingr opporlito screw-threadedextremities, brackets secured to a oi' the guide devices and the frame and. having slotted .arms through which the sciewtlnead'edlextremities oi the controller removably extend, and means iorlengaginic; the'screwthreaded extremities'of the con troller for adjusting the latter in and seeurinmit to the sz'iidbracliets;

i4. .in a machine of theclass set vforth, a f rotaryy Alo'olt-holder, `a carriagev movable to-f ward and from the'same, aA concavingtool held hy'theearriage, a eontroller having w portion arranged to project said tool along a predetermined portion offthe course of travel .of the earriageto concave "the body of the holt, threaded cutting means on'the carriage, and means-for operatingsaid threaded outm ting; moana to threadthe ends of the bolt. i

A ln abolt-cntting machine, the combiW i nation oi a rotary vertical. l pindle, a holtholder operated 'thereby andliaving a socket ther opening n Wardlyfftoreceive the vlmven' end of a bolt lanli, vertical guides eX- tending; above 'the holdingeoclret, a carriage` .freely slidable on the guides and having a @rai/ital downward feed movement, mean. for raising the carriage, collapsiblethreading dien on the carriage-adapted to o )erate upon the blanken the downward feed movement thereof, andmeans-for throwing the f liesin IQL and out;

"oln astay-bolt machine, a holder for eupportino' and rotating'a liolt;hlank, a car ringe free y slidable toward and from said holder and movable by gravity toward the "saine, a cutting-tool onthe carriage, means arranged to he rendered eiective hy eachv downward ement of the carriage for movin ripthe, ciitting-tool to turn the bolt-center, l i-ciitting means on the carriage' ab ranged to cnt .in advance of the turning-tool i and adapted. in action to regulate the speed of movement of the carriage for the action of' the turning-tool. i

17. ln a stay-bolt machine, a holt-holding` spindle, a carriage, a transversely-movable turningLtool on the carriage said spindle and carriage being relatively movable longitudi;

the hov t-oenter.

18. ln a stay-holt maehine, a bolteholdlng` spindle, a carriage, a transverselymovable A turning-'tool on the carriage, said. spindle and?,V 5

carriage being .relatively mo vaille retatively 13o nally of' the spindleexis to feed said turningi ze tool, threed-cutting` means on the carriage arranged to out in advance of the turning tool, and a means arranged to be lrendered--- eiieetive by each longitudinal movement for movin the 'turning-'tool transversely to turn .i

eee,

lioldinfr spindle, a carriage movable longi-` tudina ly of the spindle-axis and having a feed motion toward said spindle, a transversely-movable turning-tool on' the carriage,

thread-cutting means on the carriage arranged toont on the feed movement 1n advanee of the turning-tool, and a means ar' ranged to berendered effective on each lon ri* tudinal feed movement of the carriage or moving the turning-tool to turn tbe bolt-een ter. t

20. In stay-bolt machine, a rotary boitholde, aearriage inovable toward and from said holder, threading means on the carriage for threading th bolt upon the movement of the carriage totvard the bolder, a turning tool on the carriage arranged to act in such movement in. rear of the threading means, and a stationary controller supported independent of the carriage and arranged to operate the turning-tool at a prescribed point in i turning-tool on the carriage, thread-'cutting' means on the carriage arranged to ent in ad- Vance of the turning-tool, and a stationary' controller supported independent of the earriage and adapted upon each longitudinal movement to move the tnrning-tool transverseiy to turn the bolt-eenter- In .testimony whereof I aix my signature in presence of two Witnesses:

CGLUli/IBUS K. LASSXTER.

1sfvitnessesz 

